Vitamin B₂ as a drug should not be taken long-term by healthy people, but it can be taken long-term as prescribed by a doctor for people with vitamin B₂ deficiency.
Vitamin B₂ is often used as a vitamin medicine to prevent and treat vitamin B₂ deficiency. Vitamin B₂ should not be used long-term in healthy people. However, long-term use of vitamin B₂ can be prescribed for patients with keratitis, glossitis, and seborrheic dermatitis caused by vitamin B₂ deficiency.
For patients with normal renal function, the drug produces little toxicity, but the urine is yellow when large amounts are taken. During the application of vitamin B₂, it is not suitable to apply with metoclopramide at the same time.
It is recommended to use vitamin B₂ under the guidance of a doctor, and not to use the drug or adjust the dosage by oneself. Pay attention to the rationality of diet during the use of medication, not to drink alcohol, in order to prevent ethanol affects the intestinal absorption of vitamin B₂, contributing to the decline in the therapeutic effect of the drug.